Gaya APA

Zbar, P, B., Rock, G. (1991). Basic electricity A text-lab Manunal (6). Illionis: Gleancoe Divison Macmilan.

Gaya MLA

Zbar, Paule, B., Rock, Gordon. "Basic electricity A text-lab Manunal". 6 Illionis: Gleancoe Divison Macmilan, 1991. Text.